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Finding the Fourth Proportional to 171,054.50, 256,592.30 and 65,873.57

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Solution

The fourth proportional to 171,054.50, 256,592.30 and 65,873.57 is: 98,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,054.50 : 256,592.30 = 65,873.57 : x
  2. Step 2: Convert to fraction form
    171,054.50/256,592.30 = 65,873.57/x
  3. Step 3: Cross multiply
    171,054.50x = 256,592.30 × 65,873.57
  4. Step 4: Simplify right side
    171,054.50x = 16,902,649,223.18
  5. Step 5: Solve for x
    x = 16,902,649,223.18/171,054.50
  6. Step 6: Final answer
    x = 98,814.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.